from __future__ import unicode_literals
-import re
-import json
-import random
-import string
-
from .common import InfoExtractor
-from ..utils import find_xpath_attr
class HowStuffWorksIE(InfoExtractor):
_VALID_URL = r'https?://[\da-z-]+\.howstuffworks\.com/(?:[^/]+/)*\d+-(?P<id>.+?)-video\.htm'
_TESTS = [
{
- 'url': 'http://adventure.howstuffworks.com/5266-cool-jobs-iditarod-musher-video.htm',
+ 'url': 'http://adventure.howstuffworks.com/39521-deadliest-catch-nautical-collision-video.htm',
'info_dict': {
- 'id': '450221',
- 'display_id': 'cool-jobs-iditarod-musher',
- 'ext': 'flv',
- 'title': 'Cool Jobs - Iditarod Musher',
- 'description': 'md5:82bb58438a88027b8186a1fccb365f90',
- 'thumbnail': 're:^https?://.*\.jpg$',
+ 'id': '553475',
+ 'ext': 'mp4',
+ 'title': 'Deadliest Catch: Nautical Collision',
+ 'description': 'Check out this clip to get an exclusive look at the Deadliest Catch crew back in action.',
+ 'thumbnail': 'http://s.hswstatic.com/gif/videos/480x360/39521.jpg',
},
- 'params': {
- # md5 is not consistent
- 'skip_download': True
- }
},
{
'url': 'http://adventure.howstuffworks.com/7199-survival-zone-food-and-water-in-the-savanna-video.htm',
'info_dict': {
'id': '453464',
- 'display_id': 'survival-zone-food-and-water-in-the-savanna',
'ext': 'mp4',
'title': 'Survival Zone: Food and Water In the Savanna',
- 'description': 'md5:7e1c89f6411434970c15fa094170c371',
- 'thumbnail': 're:^https?://.*\.jpg$',
+ 'description': 'Learn how to find both food and water while trekking in the African savannah. In this video from the Discovery Channel.',
+ 'thumbnail': 'http://s.hswstatic.com/gif/videos/480x360/7199.jpg',
},
- 'params': {
- # md5 is not consistent
- 'skip_download': True
- }
},
{
- 'url': 'http://entertainment.howstuffworks.com/arts/2706-sword-swallowing-1-by-dan-meyer-video.htm',
+ 'url': 'http://entertainment.howstuffworks.com/arts/34476-time-warp-fire-breathing-disaster-video.htm',
'info_dict': {
- 'id': '440011',
- 'display_id': 'sword-swallowing-1-by-dan-meyer',
- 'ext': 'flv',
- 'title': 'Sword Swallowing #1 by Dan Meyer',
- 'description': 'md5:b2409e88172913e2e7d3d1159b0ef735',
- 'thumbnail': 're:^https?://.*\.jpg$',
+ 'id': '487036',
+ 'ext': 'mp4',
+ 'title': 'Time Warp: Fire-Breathing Disaster',
+ 'description': 'Fire-breathers are safe from flames when they angle their heads up as they blow -- see what would happen if they looked down instead. Check out this clip from Discovery\'s "Time Warp" series to learn more.',
+ 'thumbnail': 'http://s.hswstatic.com/gif/videos/480x360/34476.jpg',
},
- 'params': {
- # md5 is not consistent
- 'skip_download': True
- }
},
]
+ def _extract_clip_info(self, key, clip_info, name=None, **kargs):
+ if name is None:
+ name = key
+ return self._html_search_regex(
+ r"\s*%s\s*: '?([^'\n]*[^'\n,])" % key, clip_info, name, **kargs)
+
def _real_extract(self, url):
- mobj = re.match(self._VALID_URL, url)
- display_id = mobj.group('id')
+ display_id = self._match_id(url)
webpage = self._download_webpage(url, display_id)
-
- content_id = self._search_regex(r'var siteSectionId="(\d+)";', webpage, 'content id')
-
- mp4 = self._search_regex(
- r'''(?xs)var\s+clip\s*=\s*{\s*
- .+?\s*
- content_id\s*:\s*%s\s*,\s*
- .+?\s*
- mp4\s*:\s*\[(.*?),?\]\s*
- };\s*
- videoData\.push\(clip\);''' % content_id,
- webpage, 'mp4', fatal=False, default=None)
-
- smil = self._download_xml(
- 'http://services.media.howstuffworks.com/videos/%s/smil-service.smil' % content_id,
- content_id, 'Downloading video SMIL')
-
- http_base = find_xpath_attr(
- smil,
- './{0}head/{0}meta'.format('{http://www.w3.org/2001/SMIL20/Language}'),
- 'name',
- 'httpBase').get('content')
-
- def random_string(str_len=0):
- return ''.join([random.choice(string.ascii_uppercase) for _ in range(str_len)])
-
- URL_SUFFIX = '?v=2.11.3&fp=LNX 11,2,202,356&r=%s&g=%s' % (random_string(5), random_string(12))
-
+ clip_info = self._search_regex('(?s)var clip = {(.*?)};', webpage, 'clip info')
+ video_id = self._extract_clip_info('content_id', clip_info, 'video id')
formats = []
-
- if mp4:
- for video in json.loads('[%s]' % mp4):
- bitrate = video['bitrate']
- fmt = {
- 'url': video['src'].replace('http://pmd.video.howstuffworks.com', http_base) + URL_SUFFIX,
- 'format_id': bitrate,
- }
- m = re.search(r'(?P<vbr>\d+)[Kk]', bitrate)
- if m:
- fmt['vbr'] = int(m.group('vbr'))
- formats.append(fmt)
- else:
- for video in smil.findall(
- './/{0}body/{0}switch/{0}video'.format('{http://www.w3.org/2001/SMIL20/Language}')):
- vbr = int(video.attrib['system-bitrate']) / 1000
- formats.append({
- 'url': '%s/%s%s' % (http_base, video.attrib['src'], URL_SUFFIX),
- 'format_id': '%dk' % vbr,
- 'vbr': vbr,
- })
-
+ m3u8_url = self._extract_clip_info('m3u8', clip_info, 'm3u8 url', default=None)
+ if m3u8_url is not None:
+ formats += self._extract_m3u8_formats(m3u8_url , video_id, 'mp4')
+ mp4 = self._parse_json(
+ self._extract_clip_info(
+ 'mp4', clip_info, 'formats').replace('},]','}]'), video_id)
+ for video in mp4:
+ formats.append({
+ 'url': video['src'],
+ 'format_id': video['bitrate'],
+ 'tbr': int(video['bitrate'].rstrip('k')),
+ })
self._sort_formats(formats)
- title = self._og_search_title(webpage)
- TITLE_SUFFIX = ' : HowStuffWorks'
- if title.endswith(TITLE_SUFFIX):
- title = title[:-len(TITLE_SUFFIX)]
-
- description = self._og_search_description(webpage)
- thumbnail = self._og_search_thumbnail(webpage)
-
return {
- 'id': content_id,
+ 'id': video_id,
'display_id': display_id,
- 'title': title,
- 'description': description,
- 'thumbnail': thumbnail,
+ 'title': self._extract_clip_info('clip_title', clip_info, 'title'),
+ 'description': self._extract_clip_info('caption', clip_info, 'description', fatal=False),
+ 'thumbnail': self._extract_clip_info('video_still_url', clip_info, 'thumbnail'),
+ 'duration': self._extract_clip_info('duration', clip_info),
'formats': formats,
}
projects / youtube-dl / commitdiff